Revert "Added memcached and set up cached items for up_matches page"

This reverts commit 983cc9c667.

app/models/tournament.rb

@@ -9,14 +9,7 @@ class Tournament < ActiveRecord::Base
 	has_many :wrestlers, through: :weights
 	has_many :matches, dependent: :destroy
 
-	def cached_matches
-		cache_timestamp = self.updated_at
-	    cache_key = "tournamentMatches|#{id}|#{cache_timestamp}"
 	
-	    Rails.cache.fetch(cache_key, expires_in: 10.minutes) do
-	      self.matches.includes(:wrestlers)
-	    end
-	end
 
 	def tournament_types
 		["Pool to bracket"]